diff options
| author | rsc <devnull@localhost> | 2005-07-28 12:43:41 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2005-07-28 12:43:41 +0000 |
| commit | f19d56825d36b224a376b4012c7656871d9b1535 (patch) | |
| tree | 8780f134d5679898214cb085cde0a8a4adb6cca6 /src | |
| parent | d407972b54c11282a62788f5d1812ac6603c4234 (diff) | |
| download | plan9port-f19d56825d36b224a376b4012c7656871d9b1535.tar.gz plan9port-f19d56825d36b224a376b4012c7656871d9b1535.tar.bz2 plan9port-f19d56825d36b224a376b4012c7656871d9b1535.zip | |
different fix
Diffstat (limited to 'src')
| -rw-r--r-- | src/libthread/BSD.c | 7 | ||||
| -rw-r--r-- | src/libthread/Linux.c | 10 |
2 files changed, 12 insertions, 5 deletions
diff --git a/src/libthread/BSD.c b/src/libthread/BSD.c index 8090ea59..3dbb3b2a 100644 --- a/src/libthread/BSD.c +++ b/src/libthread/BSD.c @@ -285,6 +285,9 @@ threadexitsall(char *msg) int i, npid, mypid; Proc *p; + if(msg == nil) + msg = ""; + /* * Only one guy, ever, gets to run this. * If two guys do it, inevitably they end up @@ -296,7 +299,9 @@ threadexitsall(char *msg) */ { static Lock onelock; - lock(&onelock); + if(!canlock(&onelock)) + _exits(threadexitsmsg); + threadexitsmsg = msg; } if(msg == nil) diff --git a/src/libthread/Linux.c b/src/libthread/Linux.c index 14698856..dab12d3f 100644 --- a/src/libthread/Linux.c +++ b/src/libthread/Linux.c @@ -311,6 +311,9 @@ threadexitsall(char *msg) int i, npid, mypid; Proc *p; + if(msg == nil) + msg = ""; + /* * Only one guy, ever, gets to run this. * If two guys do it, inevitably they end up @@ -322,14 +325,13 @@ threadexitsall(char *msg) */ { static Lock onelock; - lock(&onelock); + if(!canlock(&onelock)) + _exits(threadexitsmsg); + threadexitsmsg = msg; } - if(msg == nil) - msg = ""; mypid = getpid(); lock(&_threadprocslock); - threadexitsmsg = msg; npid = 0; for(p=_threadprocs; p; p=p->next) if(p->osprocid != mypid && p->osprocid >= 1) |